{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69145",
    "entityType": "User",
    "nonce": "0xde0dd56838d9898cf255e404de9f5b4dc7652dd8e14d8643d38096691aba8b06",
    "signature": "0x144ccecd5fd83790d40dfcf465e35c251f2fa4a46bc6177f15e7556098bf6b2f222770f1b03434f5c88ee1fb77f4332fb220b92cd19a2b803ba8bb545e1780c71c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}