{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5562",
    "entityType": "User",
    "nonce": "0x0368cffdf2617cd7f71b217ae613010512b9f35a0dd1db5ff48e38eae12a6a49",
    "signature": "0xa44d3a135cea70989fad0d60d6e7fdc7d53498833ef3be3455fe573e1444bce5753496cc32a08b6a1ef4f008aebc139d02547bc55a44c0284d89a5205594ada31c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}