{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132",
    "entityType": "User",
    "nonce": "0x98ca2c8bc06f6ace3a7bed1ae79195219ca1b297c74b120569b2bfd725a71ed2",
    "signature": "0x7d7cb03fb47cb4f31da97d428379ecc31b06b686f1ead7c915ba95b69901568b6fb9d31b9fbe760e53504d4aa4845d82fb6bcf6fee6105b93ec9995cfec9345d1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}