{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0xea91cbb25c8613356d718de1848dc6257249b0e90e044eaa3feb48a973c6ae16",
    "signature": "0xd76b29b3552bb2fff293c949d05c6d26605ffe509078875dbb25cae30710924b0d051ed0c2dcf3f0ce6a55aedc4372e82b659c42f25f4bec8ae2ee53fc9293621b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}