{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81455",
    "entityType": "User",
    "nonce": "0x216196f7a806dd36bc4ea4e286d6aab80b34c67b013f4f25ef251cf4f26488ea",
    "signature": "0xde7a69214e2b77dac0910e4cf8697c93836b04307ff202b9df859b298166f2077542b47bcc2fae43ec6a0c99448a5a681267b2568449c5d0f2391a2e1e4b356e1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}