{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0x549b3455caf596e45fedea638231a7ee6c79b5fa6cc90290db269adbd740e1be",
    "signature": "0xfc8cd88e11d8906c3ba53d2f8db6f992cb13464fa7858b92d9b7f9f6641a8a7e7a2c171d931919650e4d037d28aa511064e285d557e620ef43e80eb892c3502d1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}