{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145786",
    "entityType": "User",
    "nonce": "0xb45ae19bdeb6b0e65769230b6f0abc311d0eff2f029d07daa0829b3f02ce65ab",
    "signature": "0x37ea3ca34710db5344fbd6a241b5922b5fcab592b7567d7902c45d386f8ea7d129af530fe7d08b1d57e1934f2b0b21b5b71506112dd0fb5478653f00147ce2b51b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}