{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355715",
    "entityType": "User",
    "nonce": "0x8c70c81dc60848371f58e8f7d88dc0b4164946528350ac6e6bfafcc98fa14e4b",
    "signature": "0xd2bb28f2ba136a77384bc5fce2508076e5523a6c563e003fc5e3ea66afb813fb1252f7f75c194f15f0b337103e397b25b200572e79b71852dffacb74a34e90621b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}