{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7754",
    "entityType": "User",
    "nonce": "0x11c57a5b2ded5abf44bcab1f889751f955d3fe949e3ba68cd907a13842de8865",
    "signature": "0x44b031ec3d9768dd20a1ea352b7dc0b679a7df5e25e06e684632e396d3cc55c97f38de42cc43c1ca7fae529de5e64d5c1d36649c9e340ee2046f1a99928503341b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}