{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "457297384",
    "entityType": "User",
    "nonce": "0xb4bdaae591fa3c59de3c9696706c7b0010e808dbb9fba7530487f30acab418a6",
    "signature": "0x7a12829621c9cddbc2930f3a54b787ea2df8ff3515ec2181e9707140121050495cc5a64b23fc61831daa85799c12447ebd533a5799989f9288f1cae7718dc62a1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}