{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "467213409",
    "entityType": "User",
    "nonce": "0x72822f4609791afc81f27f2ebb20407d834c429be537899a8df1c01ad7320f06",
    "signature": "0x3bba00a272fcf2d6c06573e259dcf0ed6abc5427fbbef34c148ec91809a01cc574781436c5aacb5117817fd76dfc026641f7a05b8d96d3b7803cfcdc39f6e4691c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}