{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57802",
    "entityType": "User",
    "nonce": "0x4290760a64909b2092a4ff2832e5822d3f61c2c88c07569833745d560454c25d",
    "signature": "0x242641bf9866d8710c75c94771bd83745f8de8022aa4129acc8fd4a2a77f36fe0795eee40aa990213cd4dcc3f20e91f484b815334f7a3513f97098ab1e10f9f01b",
    "signer": "0x1366a1037C8F2E691bA2D0dF3a1176FbA4736510",
    "userId": "39692"
  }
}