{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61497994",
    "entityType": "User",
    "nonce": "0x705426163ae4cfca5d9ac4006237c673e290601f892268a2d9548399bd05a5fe",
    "signature": "0x41b499530cfd5e824a9fd5d122e057213ef51bf1025a7087c78ca26e57abaece5419f69bf03867640a8169bef99b484323c51d9e3311d5fb0fc59e510180c1b81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}