{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186590",
    "entityType": "User",
    "nonce": "0xbc1e4c2da5a0660ce32674fdc519b3837b326ce8771e8bebed16e93f2f007f43",
    "signature": "0xd0242eef1efdf8aeca40b47fb5d798cecc16ea7af304636a0306387134e203e7709fb978d518453eb3297e8222855be3b0a355e60414bb9eca027b72884fa4f51c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}