{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xe277064fd1f3d5d8bc8c03f2591bb99483084b425e0a03ffa371576446c30c9f",
    "signature": "0xebab1986f733fe010bed7185f49eb18d81800c4e82cee1ffdac92d3884dc075033ae2d530e20e37296187f8c09cc8a635aaebde2a285116feff897b2c4c39cbd1c",
    "signer": "0x5E525e13F169B08B94891FdbC996D3fF2740E9E9",
    "userId": "547631414"
  }
}