{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367804",
    "entityType": "User",
    "nonce": "0x0392c62711246acd3f4bfaa5bdf40bf5d1a02b55ed5d5f55379125487f9932eb",
    "signature": "0xd0c1a098fee9c428d8240dbba230aacb0412d6d4fd0d84636882ae864a6f766236d85efa2fabef4fe5ac1dba2060e37107f3d4fc8a011e8b2c5acfa4a3beb6a31c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}