{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3161",
    "entityType": "User",
    "nonce": "0xc71dd715962eab598a4c4cacb731c1e92418e5f7d6e5588f71d815de37489b48",
    "signature": "0x99ab4582c8403626553a3740a6ec25ee0f5c8e59345b38a9877a85989bfe72f635ab804e51fa7f0dd6ffffd6566f192037131cd8bb7d1f08f47405d80ac04be01b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}