{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316573",
    "entityType": "User",
    "nonce": "0xc5878b109a61e5c75932ab5aa4dcbec80f01b7b8d9401fbd91021b2d3a0e805d",
    "signature": "0x0b26b0341a2cb28e238c732b19155f4401102525783da43759b4b295f25e95497ca0c1d228febc27f8068771fe735f86aaff8a75e0e7cec65369668add807e481b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}