{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x99f95d751fb064285c421cdef5131fd78c47d87060e96e47a23fd3bc296dda42",
    "signature": "0x9a96e03af7b363dbfab644fc6732c199360bb683cf40ead599163e7eeba56eb553546fd5f3d394dae6c0b6dd7722acc6b076bee9bc7836a088015631fbf8c3731c",
    "signer": "0xF3D339554B27eD7fC75fD237d83A8576f7068124",
    "userId": "341525072"
  }
}