{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69181",
    "entityType": "User",
    "nonce": "0xd9f73e3aa463ae391d8cdc5d1696056c84bde6d647ab300df4a0fa7ff0265114",
    "signature": "0xf5c4cba660565896bf393a6f28f293c2ae829f83537476551c4ac18c5bbaee675458d946c21af2e367300ca4e83e7b9add521320b671ad4779706cf685ebc8161c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}