{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1780850",
    "entityType": "User",
    "nonce": "0x5c1dd06cf4aa3f4740266e5015e587a80e5ed7f7159896efe1b82919edc7ee9c",
    "signature": "0x8a23995ee720ceab3e9cb77dd223664302e469ef9e3f5ba7f5a507675532dea6487728710e1813733efa3c4e6db204362830a22e43582a0db1cd7bb9a4ef2a201b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}