{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37158",
    "entityType": "User",
    "nonce": "0xd4340ffdd0a9ae4ac24bd317669bac6835c38386c93de7f85fd2190f981217d6",
    "signature": "0x7cb411830de2c87b48900e9ab554b977583a7412f94629b97dd654567d97660c0f617be0d96b1fb8cb2d196fff3b1eaa56e005f0d3beeb6e24c736e4af4f56fa1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}