{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1954",
    "entityType": "User",
    "nonce": "0x356f2fa2976615fe6e46a395ba2e15c50be173c670b250379d8b3692a8395497",
    "signature": "0xc7d0e58dd896f04154d61d1874ba198da5481448a33b64f84013e7d3cc8c67be47f40380d9e48f54dac1f07672962dbc7721fec786100e46dc15428f26bb2ef61c",
    "signer": "0xAdbca03dBaC99da7bed023EBBE89568b33744Df8",
    "userId": "842968337"
  }
}